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NI (National Instruments) · PXI

PXIe-2540

The NI PXIe-2540, part number 780587-40, is a PXI Express RF matrix switch module with 350 MHz bandwidth and an 8×9 matrix containing 72 crosspoints.

ManufacturerNI (National Instruments)

ModelPXIe-2540

Part Number780587-40

Product TypePXIe, 350 MHz, 8x9 PXI RF Matrix Switch Module

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Switch Bandwidth350 MHz

Crosspoints72

Scan Rate100 cycles/s

Bus ConnectorPXI Express

Maximum Carry Current AC0.5 A

Maximum Switching Voltage AC42.4 Vpk

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Overview

Product overview

Key product information and technical features.

The PXIe-2540 provides an 8×9 RF switching matrix on the PXI Express interface. Its 72 crosspoints, 350 MHz bandwidth and 50 Ω characteristic impedance define its signal-routing architecture.

The module uses reed relays and isolation relays that disconnect unused portions of the matrix. It is intended for routing signals between digitizers, function generators, and other RF generators and analyzers.

8×9 matrix architecture with 72 crosspoints and 72 reed relays.
350 MHz switch bandwidth and 50 Ω characteristic impedance.
PXI Express bus connection within the PXI platform.
Single-bank, 1-wire operation with row access.
Scan rate of 100 cycles/s.

Verified specifications

Technical data

Verified product specifications.

Switch Bandwidth	350 MHz
Crosspoints	72
Scan Rate	100 cycles/s
Bus Connector	PXI Express
Maximum Carry Current AC	0.5 A
Maximum Switching Voltage AC	42.4 Vpk
Relay Type	Reed
Characteristic Impedence	50 Ohm
Number of Rows	8
Number of Columns	9
Supported Hardware Platform	PXI
Bus Connection	PXI Express
Max Insertion Loss	-2.3 dB
Maximum Switching Current DC	0.5 A
Maximum Switching Voltage DC	60 V
Mode (n-wire)	1-wire
Number of Banks	1
Number of Channels	72
Number of Relays	72
Row Access	Yes
NI part numbers	780587-40

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NI

Manufacturer

PXI

Supported Hardware Platform

PXIe-2540

This product

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Letter Of Volatility (NI)Letter Of Volatility · ni.com

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Getting Started (NI)Getting Started · ni.com

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Specifications (NI)Specifications · ni.com

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Dimensional Drawings (NI)Dimensional Drawings · ni.com

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Product Page (NI)Product Page · ni.com

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FAQ

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Product-specific answers based on available technical information.

What is the PXIe-2540 matrix configuration?

It has 8 rows, 9 columns and 72 crosspoints, with single-bank, 1-wire operation.

What bandwidth and impedance does the PXIe-2540 provide?

The switch bandwidth is 350 MHz, and the characteristic impedance is 50 Ω.

What type of relays does it use?

The PXIe-2540 uses reed relays.

What are the maximum DC switching ratings?

The recorded maximum DC switching current is 0.5 A, and the maximum DC switching voltage is 60 V. Consult the NI specifications for operating conditions and applicable limits.

What bus interface does the module use?

The module uses PXI Express. Confirm the requirements for your specific chassis, controller and software before integration.